Home / 5,460.61-8,190.11-2,686.54

Finding the Fourth Proportional to 5,460.61, 8,190.11 and 2,686.54

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Solution

The fourth proportional to 5,460.61, 8,190.11 and 2,686.54 is: 4,029.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,460.61 : 8,190.11 = 2,686.54 : x
  2. Step 2: Convert to fraction form
    5,460.61/8,190.11 = 2,686.54/x
  3. Step 3: Cross multiply
    5,460.61x = 8,190.11 × 2,686.54
  4. Step 4: Simplify right side
    5,460.61x = 22,003,058.12
  5. Step 5: Solve for x
    x = 22,003,058.12/5,460.61
  6. Step 6: Final answer
    x = 4,029.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.